Method for erasing image
US8541156B2 · kind B2 · utility
3Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2011 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Apr 4, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G13/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
According to one embodiment, a method for erasing an image includes erasing an image formed using a toner containing at least a binder resin, an electron donating color developable agent, and an electron accepting color developing agent by heating for 10 seconds or less. A color difference ΔE between a region where the image is erased and a paper is 5 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.